82 



HUMAN BODY. 



bodies of men, because they contain so much in small 

 bulk. But, because they are so solid, it is hard for the 

 stomach to digest them. 



21. Tivrnips, beets, cabbages, and other garden vegetables, 

 contain more water and less nutritive matter than those 

 already referred to. They form an agreeable and health- 

 ful addition to more nutritious articles. 



SUGAR. 



22, There are many kinds of sugar, all sweet, but 

 differing in taste and solubility. Most of our vegetable 

 food contains sugar, and a great deal of pure sugar is used 

 in addition to this. It is especially pleasing, to the taste. 

 The fact that children are so fond of it, is a proof that it 

 lias important uses in the growing period. But, if too 



much is eaten, it spoils 

 the appetite and diges- 

 tion, and injures the 

 health. 



FAT. 



23. Most vegetable, as 

 well as animal, foods con- 

 tain some/a^. It is cus- 

 tomary to add oils, or 

 fats of some k ind , to otl \ er 

 food. It is itself nutri- 

 Fl g t36 . tious, and aids in the 



A DROP OF MILK MAGNIFIED, SHOWING THE digestion of other tilings. 

 OIL-GLOBULES. 



If we look at a drop of milk with a microscope, we see in- 

 numerable little particles of oil. Oil is lighter than water; 



